void Print1ToMaxOfNDigits(int n)
{
    if (n <= 0)
        return;
    char *number = new char[n+1];
    memset(number, 0, n);
    number[n] = '\0';

    while(!Increment(number))
    {
        PrintNumber(number);
    }
    delete []number;
}

bool Increment(char* number)
{
    bool isOverflow = false;
    int nTakeOver = 0;
    int nLength = strlen(number);
    for(int i = nLength - 1; i >= 0; i--)
    {
        int nSum = number[i] - '0' + nTakeOver;
        if(i == nLength-1)
            nSum ++;
        if(nSum >= 10){
            if(i == 0)
                isOverflow = true;
            else
            {
                nSum -= 10;
                nTakeOver = 1;
                number[i] = '0' + nSum;
            }
        }
        else
        {
            number[i] = '0' +nSum;
            break;
        }
    }
    return isOverflow;
}

void PrintNumber(char* number)
{
    bool isBeginning0 = true;
    int nLength = strlen(number);

    for(int i = 0; i < nLength; ++i)
    {
        if(isBeginning0 && number[i] != '0')
            isBeginning0 = false;
        if(!isBeginning0){
            printf("%c", number[i]);
        }        
    }
    printf("\t");
}
